Solving One and Two Equations

-12 + c = 38

• c = -19/6

• c = -456

• c = 26

• c = 50

Tags

CCSS.6.EE.B.7

x - (-1) = 11

• x = 10

• x = 12

• x = -10

• x = 11

Tags

CCSS.6.EE.B.7

Solve the equation:
x - 5.5 = -10.5

• x = 15

• x = -15

• x = 5

• x = -5

Tags

CCSS.6.EE.B.7

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

Tags

CCSS.6.EE.B.7

5x - y = 16

• -y = 5x + 16

• y = 5x + 16

• x = 5y - 16

• y = 5x - 16

Tags

CCSS.6.EE.C.9

-4=-x+2y 

•  x-2y=4

• x-2y=-4 

• 4=x-2y 

• x+2y=4 

Tags

CCSS.6.EE.C.9

The amounts that two plumbers charge for their services are described.

* The first plumber charges a fixed fee of $40 for the house calls and $15 per hour of work.

*The second plumber charges a fixed fee of $30 for house calls and $19 per hour of work.

For what number of hours of work do the first plumber and the second plumber charges the same total amount?

Tags

CCSS.8.EE.C.8C

Rewrite the equation in STANDARD form.

-2x+20=-5y 

• 2x+5y=20

• 2x-5y=20

• 20=2x-5y 

• -2x+5y=-20

-16x=2y-10

• 8x+y=5

• -16x-2y=10

• 16x+2y=-10

• 8x-y=-5

Tags

CCSS.6.EE.C.9

Solve for y:
2x + 2y = 6

• y = - x + 3

• y = x + 3

• y = 2x +6

• y = - 2x + 6

Tags

CCSS.6.EE.C.9